Plough plane



FIG. 1 is a perspective view of a plough plane of the present invention showing our new design.

FIG. 2 is a top plan view of a plough plane shown in FIG. 1.

FIG. 3 is a bottom plan view of a plough plane shown in FIG. 1.

FIG. 4 is a left side elevation view of a plough plane shown in FIG. 1.

FIG. 5 is a right side elevation view of a plough plane shown in FIG. 1.

FIG. 6 is a front end elevation view of a plough plane shown in FIG. 1; and,

FIG. 7 is a back end elevation view of a plough plane shown in FIG. 1. 

The ornamental design for a plough plane, as shown and described. 